Buggy code:
public class SQLChar extends DataType implements StreamStorable , StringDataValue { private static final char PAD = '<seq2seq4repair_space>' ; protected static final int RETURN_SPACE_THRESHOLD = 4096 ; private static final int GROWBY_FOR_CHAR = 64 ; private static final int BASE_MEMORY_USAGE = ClassSize . estimateBaseFromCatalog ( SQLChar . class ) ; private static final char [ ] BLANKS = new char [ 40 ] ; protected static final StreamHeaderGenerator CHAR_HEADER_GENERATOR = new CharStreamHeaderGenerator ( ) ; private String value ; private char [ ] rawData ; private int rawLength = - 1 ; private CollationKey cKey ; protected Clob _clobValue ; InputStream stream ; private LocaleFinder localeFinder ; public SQLChar ( ) { } public SQLChar ( String val ) { } public SQLChar ( Clob val ) { } private static void appendBlanks ( char [ ] ca , int offset , int howMany ) { } public boolean getBoolean ( ) throws StandardException { } public byte getByte ( ) throws StandardException { } public short getShort ( ) throws StandardException { } public int getInt ( ) throws StandardException { } public long getLong ( ) throws StandardException { } public float getFloat ( ) throws StandardException { } public double getDouble ( ) throws StandardException { } public Date getDate ( Calendar cal ) throws StandardException { } public static Date getDate ( Calendar cal , String str , LocaleFinder localeFinder ) throws StandardException { } public Time getTime ( Calendar cal ) throws StandardException { } public static Time getTime ( Calendar cal , String str , LocaleFinder localeFinder ) throws StandardException { } public Timestamp getTimestamp ( Calendar cal ) throws StandardException { } public static Timestamp getTimestamp ( Calendar cal , String str , LocaleFinder localeFinder ) throws StandardException { } public InputStream returnStream ( ) { } public void setStream ( InputStream newStream ) { } public void loadStream ( ) throws StandardException { } public Object getObject ( ) throws StandardException { } public InputStream getStream ( ) throws StandardException { } public CharacterStreamDescriptor getStreamWithDescriptor ( ) throws StandardException { } public int typeToBigDecimal ( ) throws StandardException { } public int getLength ( ) throws StandardException { } private int readCharacterLength ( ObjectInput in ) throws IOException { } protected void throwStreamingIOException ( IOException ioe ) throws StandardException { } public String getTypeName ( ) { } public String getString ( ) throws StandardException { if ( ( value ) == null ) { int len = rawLength ; if ( len != ( - 1 ) ) { value = new String ( rawData , 0 , len ) ; if ( len > ( SQLChar . RETURN_SPACE_THRESHOLD ) ) { rawData = null ; rawLength = - 1 ; cKey = null ; } } else if ( ( _clobValue ) != null ) { try { value = _clobValue . getSubString ( 1L , getClobLength ( ) ) ; _clobValue = null ; } catch ( SQLException se ) { throw StandardException . plainWrapException ( se ) ; } } else if ( ( stream ) != null ) { try { if ( ( stream ) instanceof FormatIdInputStream ) { readExternal ( ( ( FormatIdInputStream ) ( stream ) ) ) ; } else { readExternal ( new FormatIdInputStream ( stream ) ) ; } stream = null ; return getString ( ) ; } catch ( IOException ioe ) { <START_BUG> throw StandardException . newException ( LANG_STREAMING_COLUMN_I_O_EXCEPTION , ioe , "java.sql.String" ) ; <END_BUG> } } } return value ; } public char [ ] getCharArray ( ) throws StandardException { } public int getTypeFormatId ( ) { } public boolean isNull ( ) { } public void writeExternal ( ObjectOutput out ) throws IOException { } private final void writeUTF ( ObjectOutput out , int strLen , final boolean isRaw , Reader characterReader ) throws IOException { } protected final void writeClobUTF ( ObjectOutput out ) throws IOException { } public void readExternalFromArray ( ArrayInputStream in ) throws IOException { } char [ ] [ ] arg_passer = new char [ 1 ] [ ] ; protected void readExternalClobFromArray ( ArrayInputStream in , int charLen ) throws IOException { } private void resetForMaterialization ( ) { } public void readExternal ( ObjectInput in ) throws IOException { } protected void readExternal ( ObjectInput in , int utflen , final int knownStrLen ) throws IOException { } protected int growBy ( ) { } public void restoreToNull ( ) { } public boolean compare ( int op , DataValueDescriptor other , boolean orderedNulls , boolean unknownRV ) throws StandardException { } public int compare ( DataValueDescriptor other ) throws StandardException { } public Object cloneObject ( ) { } public DataValueDescriptor getClone ( ) { } public DataValueDescriptor getNewNull ( ) { } public StringDataValue getValue ( RuleBasedCollator collatorForComparison ) { } public final void setValueFromResultSet ( ResultSet resultSet , int colNumber , boolean isNullable ) throws SQLException { } public final void setInto ( PreparedStatement ps , int position ) throws SQLException , StandardException { } public void setValue ( Clob theValue ) { } public void setValue ( String theValue ) { } public void setValue ( boolean theValue ) throws StandardException { } public void setValue ( int theValue ) throws StandardException { } public void setValue ( double theValue ) throws StandardException { } public void setValue ( float theValue ) throws StandardException { } public void setValue ( short theValue ) throws StandardException { } public void setValue ( long theValue ) throws StandardException { } public void setValue ( byte theValue ) throws StandardException { } public void setValue ( byte [ ] theValue ) throws StandardException { } public void setBigDecimal ( Number bigDecimal ) throws StandardException { } public void setValue ( Date theValue , Calendar cal ) throws StandardException { } public void setValue ( Time theValue , Calendar cal ) throws StandardException { }

Fix:
throw StandardException . newException ( LANG_STREAMING_COLUMN_I_O_EXCEPTION , ioe , String . class . getName ( ) ) ;